US3057591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible multi-purpose stand
Assignee: Individual
•
Filing: 1960-06-27
•
Granted: 1962-10-09
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Karl H Weimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:38
CPC Classifications
G; G10; G10G; G10G5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1284624A
Cited
US1708285A
Cited
US1784240A
Cited
US2421232A
Cited
US2652647A
Cited
US2937833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |